mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-06 17:18:32 +00:00
Unify metadata load files for arm, mips, powerpc, sparc64
Summary: All metadata.c files are very similar, with only trivial changes. Unify them into a single common file, with minor special-casing where needed. Reviewed By: imp Differential Revision: https://reviews.freebsd.org/D13978
This commit is contained in:
parent
980b68eaa2
commit
d3e1307bf5
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=329190
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@ -34,12 +34,63 @@ __FBSDID("$FreeBSD$");
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#include <sys/reboot.h>
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#include <sys/linker.h>
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#include <sys/boot.h>
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#if defined(LOADER_FDT_SUPPORT)
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#include <fdt_platform.h>
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#endif
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#include <machine/metadata.h>
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#include "bootstrap.h"
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#if defined(__sparc64__)
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#include <openfirm.h>
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extern struct tlb_entry *dtlb_store;
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extern struct tlb_entry *itlb_store;
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extern int dtlb_slot;
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extern int itlb_slot;
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static int
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md_bootserial(void)
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{
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char buf[64];
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ihandle_t inst;
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phandle_t input;
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phandle_t node;
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phandle_t output;
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if ((node = OF_finddevice("/options")) == -1)
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return(-1);
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if (OF_getprop(node, "input-device", buf, sizeof(buf)) == -1)
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return(-1);
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input = OF_finddevice(buf);
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if (OF_getprop(node, "output-device", buf, sizeof(buf)) == -1)
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return(-1);
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output = OF_finddevice(buf);
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if (input == -1 || output == -1 ||
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OF_getproplen(input, "keyboard") >= 0) {
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if ((node = OF_finddevice("/chosen")) == -1)
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return(-1);
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if (OF_getprop(node, "stdin", &inst, sizeof(inst)) == -1)
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return(-1);
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if ((input = OF_instance_to_package(inst)) == -1)
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return(-1);
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if (OF_getprop(node, "stdout", &inst, sizeof(inst)) == -1)
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return(-1);
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if ((output = OF_instance_to_package(inst)) == -1)
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return(-1);
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}
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if (input != output)
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return(-1);
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if (OF_getprop(input, "device_type", buf, sizeof(buf)) == -1)
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return(-1);
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if (strcmp(buf, "serial") != 0)
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return(-1);
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return(0);
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}
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#endif
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int
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md_getboothowto(char *kargs)
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{
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@ -98,14 +149,20 @@ md_getboothowto(char *kargs)
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cp++;
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}
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}
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/* get equivalents from the environment */
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for (i = 0; howto_names[i].ev != NULL; i++)
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if (getenv(howto_names[i].ev) != NULL)
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howto |= howto_names[i].mask;
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#if defined(__sparc64__)
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if (md_bootserial() != -1)
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howto |= RB_SERIAL;
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#else
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if (!strcmp(getenv("console"), "comconsole"))
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howto |= RB_SERIAL;
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if (!strcmp(getenv("console"), "nullconsole"))
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howto |= RB_MUTE;
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#endif
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return(howto);
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}
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@ -114,7 +171,7 @@ md_getboothowto(char *kargs)
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* Each variable is formatted as <name>=<value>, with a single nul
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* separating each variable, and a double nul terminating the environment.
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*/
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vm_offset_t
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static vm_offset_t
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md_copyenv(vm_offset_t addr)
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{
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struct env_var *ep;
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@ -199,7 +256,7 @@ static int align;
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COPY32(0, a, c); \
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}
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vm_offset_t
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static vm_offset_t
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md_copymodules(vm_offset_t addr, int kern64)
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{
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struct preloaded_file *fp;
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@ -235,7 +292,7 @@ md_copymodules(vm_offset_t addr, int kern64)
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}
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/*
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* Load the information expected by a powerpc kernel.
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* Load the information expected by a kernel.
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*
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* - The 'boothowto' argument is constructed
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* - The 'bootdev' argument is constructed
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@ -251,7 +308,9 @@ md_load_dual(char *args, vm_offset_t *modulep, vm_offset_t *dtb, int kern64)
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vm_offset_t kernend;
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vm_offset_t addr;
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vm_offset_t envp;
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#if defined(LOADER_FDT_SUPPORT)
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vm_offset_t fdtp;
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#endif
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vm_offset_t size;
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uint64_t scratch64;
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char *rootdevname;
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@ -261,9 +320,9 @@ md_load_dual(char *args, vm_offset_t *modulep, vm_offset_t *dtb, int kern64)
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howto = md_getboothowto(args);
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/*
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* Allow the environment variable 'rootdev' to override the supplied device
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* This should perhaps go to MI code and/or have $rootdev tested/set by
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* MI code before launching the kernel.
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* Allow the environment variable 'rootdev' to override the supplied
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* device. This should perhaps go to MI code and/or have $rootdev
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* tested/set by MI code before launching the kernel.
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*/
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rootdevname = getenv("rootdev");
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if (rootdevname == NULL)
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@ -271,29 +330,34 @@ md_load_dual(char *args, vm_offset_t *modulep, vm_offset_t *dtb, int kern64)
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/* Try reading the /etc/fstab file to select the root device */
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getrootmount(rootdevname);
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/* find the last module in the chain */
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/* Find the last module in the chain */
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addr = 0;
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for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
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if (addr < (xp->f_addr + xp->f_size))
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addr = xp->f_addr + xp->f_size;
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}
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/* pad to a page boundary */
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/* Pad to a page boundary */
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addr = roundup(addr, PAGE_SIZE);
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/* copy our environment */
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/* Copy our environment */
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envp = addr;
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addr = md_copyenv(addr);
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/* pad to a page boundary */
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/* Pad to a page boundary */
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addr = roundup(addr, PAGE_SIZE);
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#if defined(LOADER_FDT_SUPPORT)
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/* Copy out FDT */
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*dtb = fdtp = 0;
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if (getenv("usefdt") != NULL) {
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fdtp = 0;
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#if defined(__powerpc__)
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if (getenv("usefdt") != NULL)
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#endif
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{
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size = fdt_copy(addr);
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*dtb = fdtp = addr;
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fdtp = addr;
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addr = roundup(addr + size, PAGE_SIZE);
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}
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#endif
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kernend = 0;
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kfp = file_findfile(NULL, kern64 ? "elf64 kernel" : "elf32 kernel");
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@ -305,19 +369,35 @@ md_load_dual(char *args, vm_offset_t *modulep, vm_offset_t *dtb, int kern64)
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if (kern64) {
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scratch64 = envp;
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file_addmetadata(kfp, MODINFOMD_ENVP, sizeof scratch64, &scratch64);
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#if defined(LOADER_FDT_SUPPORT)
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if (fdtp != 0) {
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scratch64 = fdtp;
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file_addmetadata(kfp, MODINFOMD_DTBP, sizeof scratch64, &scratch64);
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}
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#endif
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scratch64 = kernend;
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file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof scratch64, &scratch64);
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file_addmetadata(kfp, MODINFOMD_KERNEND,
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sizeof scratch64, &scratch64);
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} else {
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file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
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#if defined(LOADER_FDT_SUPPORT)
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if (fdtp != 0)
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file_addmetadata(kfp, MODINFOMD_DTBP, sizeof fdtp, &fdtp);
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#endif
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file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend);
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}
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#if defined(__sparc64__)
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file_addmetadata(kfp, MODINFOMD_DTLB_SLOTS,
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sizeof dtlb_slot, &dtlb_slot);
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file_addmetadata(kfp, MODINFOMD_ITLB_SLOTS,
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sizeof itlb_slot, &itlb_slot);
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file_addmetadata(kfp, MODINFOMD_DTLB,
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dtlb_slot * sizeof(*dtlb_store), dtlb_store);
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file_addmetadata(kfp, MODINFOMD_ITLB,
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itlb_slot * sizeof(*itlb_store), itlb_store);
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#endif
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*modulep = addr;
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size = md_copymodules(0, kern64);
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kernend = roundup(addr + size, PAGE_SIZE);
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@ -331,6 +411,10 @@ md_load_dual(char *args, vm_offset_t *modulep, vm_offset_t *dtb, int kern64)
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}
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(void)md_copymodules(addr, kern64);
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#if defined(LOADER_FDT_SUPPORT)
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if (dtb != NULL)
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*dtb = fdtp;
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#endif
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return(0);
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}
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@ -341,9 +425,10 @@ md_load(char *args, vm_offset_t *modulep, vm_offset_t *dtb)
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return (md_load_dual(args, modulep, dtb, 0));
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}
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#if defined(__mips__) || defined(__powerpc__)
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int
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md_load64(char *args, vm_offset_t *modulep, vm_offset_t *dtb)
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{
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return (md_load_dual(args, modulep, dtb, 1));
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}
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#endif
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@ -20,12 +20,16 @@ SRCS+= load_elf32.c reloc_elf32.c
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.elif ${MACHINE_CPUARCH} == "powerpc"
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SRCS+= load_elf32.c reloc_elf32.c
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SRCS+= load_elf64.c reloc_elf64.c
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SRCS+= metadata.c
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.elif ${MACHINE_CPUARCH} == "sparc64"
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SRCS+= load_elf64.c reloc_elf64.c
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SRCS+= metadata.c
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.elif ${MACHINE_ARCH:Mmips64*} != ""
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SRCS+= load_elf64.c reloc_elf64.c
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SRCS+= metadata.c
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.elif ${MACHINE} == "mips"
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SRCS+= load_elf32.c reloc_elf32.c
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SRCS+= metadata.c
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.endif
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.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
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@ -47,7 +47,6 @@ SRCS= start.S \
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main.c \
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devicename.c \
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exec.c \
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metadata.c \
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vers.c \
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arch.c
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@ -85,7 +85,7 @@ beri_elf64_exec(struct preloaded_file *fp)
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}
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ehdr = (Elf_Ehdr *)md->md_data;
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error = md_load64(fp->f_args, &mdp);
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error = md_load64(fp->f_args, &mdp, NULL);
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if (error) {
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printf("%s: md_load64 failed\n", fp->f_name);
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return (error);
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@ -56,7 +56,7 @@ extern char **boot2_envv;
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extern struct bootinfo boot2_bootinfo;
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/* metadata.c */
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int md_load64(char *args, vm_offset_t *modulep);
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int md_load64(char *args, vm_offset_t *modulep, vm_offset_t *dtbp);
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/* vers.c */
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extern char bootprog_info[];
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@ -1,355 +0,0 @@
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/*-
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* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: FreeBSD: src/sys/boot/sparc64/loader/metadata.c,v 1.6
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <stand.h>
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#include <sys/param.h>
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#include <sys/reboot.h>
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#include <sys/linker.h>
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#include <machine/metadata.h>
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#include "bootstrap.h"
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/*
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* Return a 'boothowto' value corresponding to the kernel arguments in
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* (kargs) and any relevant environment variables.
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*/
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static struct
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{
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const char *ev;
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int mask;
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} howto_names[] = {
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{"boot_askname", RB_ASKNAME},
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{"boot_cdrom", RB_CDROM},
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{"boot_ddb", RB_KDB},
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{"boot_dfltroot", RB_DFLTROOT},
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{"boot_gdb", RB_GDB},
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{"boot_multicons", RB_MULTIPLE},
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{"boot_mute", RB_MUTE},
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{"boot_pause", RB_PAUSE},
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{"boot_serial", RB_SERIAL},
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{"boot_single", RB_SINGLE},
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{"boot_verbose", RB_VERBOSE},
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{NULL, 0}
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};
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int
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md_getboothowto(char *kargs)
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{
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char *cp;
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int howto;
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int active;
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int i;
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/* Parse kargs */
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howto = 0;
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if (kargs != NULL) {
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cp = kargs;
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active = 0;
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while (*cp != 0) {
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if (!active && (*cp == '-')) {
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active = 1;
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} else if (active)
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switch (*cp) {
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case 'a':
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howto |= RB_ASKNAME;
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break;
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case 'C':
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howto |= RB_CDROM;
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break;
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case 'd':
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howto |= RB_KDB;
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break;
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case 'D':
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howto |= RB_MULTIPLE;
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break;
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case 'm':
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howto |= RB_MUTE;
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break;
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case 'g':
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howto |= RB_GDB;
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break;
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case 'h':
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howto |= RB_SERIAL;
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break;
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case 'p':
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howto |= RB_PAUSE;
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break;
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case 'r':
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howto |= RB_DFLTROOT;
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break;
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case 's':
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howto |= RB_SINGLE;
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break;
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case 'v':
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howto |= RB_VERBOSE;
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break;
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default:
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active = 0;
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break;
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}
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cp++;
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}
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}
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/* get equivalents from the environment */
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for (i = 0; howto_names[i].ev != NULL; i++)
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if (getenv(howto_names[i].ev) != NULL)
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howto |= howto_names[i].mask;
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if (!strcmp(getenv("console"), "comconsole"))
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howto |= RB_SERIAL;
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if (!strcmp(getenv("console"), "nullconsole"))
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howto |= RB_MUTE;
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return(howto);
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}
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/*
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* Copy the environment into the load area starting at (addr).
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* Each variable is formatted as <name>=<value>, with a single nul
|
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* separating each variable, and a double nul terminating the environment.
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*/
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vm_offset_t
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md_copyenv(vm_offset_t addr)
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{
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struct env_var *ep;
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/* traverse the environment */
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for (ep = environ; ep != NULL; ep = ep->ev_next) {
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archsw.arch_copyin(ep->ev_name, addr, strlen(ep->ev_name));
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addr += strlen(ep->ev_name);
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archsw.arch_copyin("=", addr, 1);
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addr++;
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if (ep->ev_value != NULL) {
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archsw.arch_copyin(ep->ev_value, addr, strlen(ep->ev_value));
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addr += strlen(ep->ev_value);
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}
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archsw.arch_copyin("", addr, 1);
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addr++;
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}
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archsw.arch_copyin("", addr, 1);
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addr++;
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return(addr);
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}
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|
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/*
|
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* Copy module-related data into the load area, where it can be
|
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* used as a directory for loaded modules.
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*
|
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* Module data is presented in a self-describing format. Each datum
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* is preceded by a 32-bit identifier and a 32-bit size field.
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*
|
||||
* Currently, the following data are saved:
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*
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* MOD_NAME (variable) module name (string)
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* MOD_TYPE (variable) module type (string)
|
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* MOD_ARGS (variable) module parameters (string)
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||||
* MOD_ADDR sizeof(vm_offset_t) module load address
|
||||
* MOD_SIZE sizeof(size_t) module size
|
||||
* MOD_METADATA (variable) type-specific metadata
|
||||
*/
|
||||
|
||||
static int align;
|
||||
|
||||
#define COPY32(v, a, c) { \
|
||||
u_int32_t x = (v); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&x, a, sizeof(x)); \
|
||||
a += sizeof(x); \
|
||||
}
|
||||
|
||||
#define MOD_STR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(strlen(s) + 1, a, c) \
|
||||
if (c) \
|
||||
archsw.arch_copyin(s, a, strlen(s) + 1);\
|
||||
a += roundup(strlen(s) + 1, align); \
|
||||
}
|
||||
|
||||
#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
|
||||
#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
|
||||
#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
|
||||
|
||||
#define MOD_VAR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(sizeof(s), a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&s, a, sizeof(s)); \
|
||||
a += roundup(sizeof(s), align); \
|
||||
}
|
||||
|
||||
#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
|
||||
#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
|
||||
|
||||
#define MOD_METADATA(a, mm, c) { \
|
||||
COPY32(MODINFO_METADATA | mm->md_type, a, c);\
|
||||
COPY32(mm->md_size, a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(mm->md_data, a, mm->md_size);\
|
||||
a += roundup(mm->md_size, align); \
|
||||
}
|
||||
|
||||
#define MOD_END(a, c) { \
|
||||
COPY32(MODINFO_END, a, c); \
|
||||
COPY32(0, a, c); \
|
||||
}
|
||||
|
||||
vm_offset_t
|
||||
md_copymodules(vm_offset_t addr, int kern64)
|
||||
{
|
||||
struct preloaded_file *fp;
|
||||
struct file_metadata *md;
|
||||
uint64_t scratch64;
|
||||
int c;
|
||||
|
||||
c = addr != 0;
|
||||
/* start with the first module on the list, should be the kernel */
|
||||
for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
|
||||
|
||||
MOD_NAME(addr, fp->f_name, c); /* this field must come first */
|
||||
MOD_TYPE(addr, fp->f_type, c);
|
||||
if (fp->f_args)
|
||||
MOD_ARGS(addr, fp->f_args, c);
|
||||
if (kern64) {
|
||||
scratch64 = fp->f_addr;
|
||||
MOD_ADDR(addr, scratch64, c);
|
||||
scratch64 = fp->f_size;
|
||||
MOD_SIZE(addr, scratch64, c);
|
||||
} else {
|
||||
MOD_ADDR(addr, fp->f_addr, c);
|
||||
MOD_SIZE(addr, fp->f_size, c);
|
||||
}
|
||||
for (md = fp->f_metadata; md != NULL; md = md->md_next) {
|
||||
if (!(md->md_type & MODINFOMD_NOCOPY)) {
|
||||
MOD_METADATA(addr, md, c);
|
||||
}
|
||||
}
|
||||
}
|
||||
MOD_END(addr, c);
|
||||
return(addr);
|
||||
}
|
||||
|
||||
/*
|
||||
* Load the information expected by a powerpc kernel.
|
||||
*
|
||||
* - The 'boothowto' argument is constructed
|
||||
* - The 'bootdev' argument is constructed
|
||||
* - The kernel environment is copied into kernel space.
|
||||
* - Module metadata are formatted and placed in kernel space.
|
||||
*/
|
||||
int
|
||||
md_load_dual(char *args, vm_offset_t *modulep, int kern64)
|
||||
{
|
||||
struct preloaded_file *kfp;
|
||||
struct preloaded_file *xp;
|
||||
struct file_metadata *md;
|
||||
vm_offset_t kernend;
|
||||
vm_offset_t addr;
|
||||
vm_offset_t envp;
|
||||
vm_offset_t size;
|
||||
uint64_t scratch64;
|
||||
char *rootdevname;
|
||||
int howto;
|
||||
|
||||
align = kern64 ? 8 : 4;
|
||||
howto = md_getboothowto(args);
|
||||
|
||||
/*
|
||||
* Allow the environment variable 'rootdev' to override the supplied device
|
||||
* This should perhaps go to MI code and/or have $rootdev tested/set by
|
||||
* MI code before launching the kernel.
|
||||
*/
|
||||
rootdevname = getenv("rootdev");
|
||||
if (rootdevname == NULL)
|
||||
rootdevname = getenv("currdev");
|
||||
/* Try reading the /etc/fstab file to select the root device */
|
||||
getrootmount(rootdevname);
|
||||
|
||||
/* find the last module in the chain */
|
||||
addr = 0;
|
||||
for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
|
||||
if (addr < (xp->f_addr + xp->f_size))
|
||||
addr = xp->f_addr + xp->f_size;
|
||||
}
|
||||
/* pad to a page boundary */
|
||||
addr = roundup(addr, PAGE_SIZE);
|
||||
|
||||
/* copy our environment */
|
||||
envp = addr;
|
||||
addr = md_copyenv(addr);
|
||||
|
||||
/* pad to a page boundary */
|
||||
addr = roundup(addr, PAGE_SIZE);
|
||||
|
||||
kernend = 0;
|
||||
kfp = file_findfile(NULL, kern64 ? "elf64 kernel" : "elf32 kernel");
|
||||
if (kfp == NULL)
|
||||
kfp = file_findfile(NULL, "elf kernel");
|
||||
if (kfp == NULL)
|
||||
panic("can't find kernel file");
|
||||
file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);
|
||||
if (kern64) {
|
||||
scratch64 = envp;
|
||||
file_addmetadata(kfp, MODINFOMD_ENVP, sizeof scratch64, &scratch64);
|
||||
scratch64 = kernend;
|
||||
file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof scratch64, &scratch64);
|
||||
} else {
|
||||
file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
|
||||
file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend);
|
||||
}
|
||||
|
||||
*modulep = addr;
|
||||
size = md_copymodules(0, kern64);
|
||||
kernend = roundup(addr + size, PAGE_SIZE);
|
||||
|
||||
md = file_findmetadata(kfp, MODINFOMD_KERNEND);
|
||||
if (kern64) {
|
||||
scratch64 = kernend;
|
||||
bcopy(&scratch64, md->md_data, sizeof scratch64);
|
||||
} else {
|
||||
bcopy(&kernend, md->md_data, sizeof kernend);
|
||||
}
|
||||
|
||||
(void)md_copymodules(addr, kern64);
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
int
|
||||
md_load(char *args, vm_offset_t *modulep)
|
||||
{
|
||||
return (md_load_dual(args, modulep, 0));
|
||||
}
|
||||
|
||||
int
|
||||
md_load64(char *args, vm_offset_t *modulep)
|
||||
{
|
||||
return (md_load_dual(args, modulep, 1));
|
||||
}
|
||||
|
|
@ -17,7 +17,7 @@ NEWVERSWHAT= "kboot loader" ${MACHINE_ARCH}
|
|||
INSTALLFLAGS= -b
|
||||
|
||||
# Architecture-specific loader code
|
||||
SRCS= conf.c metadata.c vers.c main.c ppc64_elf_freebsd.c
|
||||
SRCS= conf.c vers.c main.c ppc64_elf_freebsd.c
|
||||
SRCS+= host_syscall.S hostcons.c hostdisk.c kerneltramp.S kbootfdt.c
|
||||
SRCS+= ucmpdi2.c
|
||||
|
||||
|
|
|
@ -291,6 +291,7 @@ main(int argc, const char **argv)
|
|||
setenv("currdev", bootdev, 1);
|
||||
setenv("loaddev", bootdev, 1);
|
||||
setenv("LINES", "24", 1);
|
||||
setenv("usefdt", "1", 1);
|
||||
|
||||
interact(); /* doesn't return */
|
||||
|
||||
|
|
|
@ -1,348 +0,0 @@
|
|||
/*-
|
||||
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* from: FreeBSD: src/sys/boot/sparc64/loader/metadata.c,v 1.6
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <stand.h>
|
||||
#include <sys/param.h>
|
||||
#include <sys/endian.h>
|
||||
#include <sys/reboot.h>
|
||||
#include <sys/linker.h>
|
||||
#include <sys/boot.h>
|
||||
#include <fdt_platform.h>
|
||||
|
||||
#include <machine/metadata.h>
|
||||
|
||||
#include "bootstrap.h"
|
||||
|
||||
int
|
||||
md_getboothowto(char *kargs)
|
||||
{
|
||||
char *cp;
|
||||
int howto;
|
||||
int active;
|
||||
int i;
|
||||
|
||||
/* Parse kargs */
|
||||
howto = 0;
|
||||
if (kargs != NULL) {
|
||||
cp = kargs;
|
||||
active = 0;
|
||||
while (*cp != 0) {
|
||||
if (!active && (*cp == '-')) {
|
||||
active = 1;
|
||||
} else if (active)
|
||||
switch (*cp) {
|
||||
case 'a':
|
||||
howto |= RB_ASKNAME;
|
||||
break;
|
||||
case 'C':
|
||||
howto |= RB_CDROM;
|
||||
break;
|
||||
case 'd':
|
||||
howto |= RB_KDB;
|
||||
break;
|
||||
case 'D':
|
||||
howto |= RB_MULTIPLE;
|
||||
break;
|
||||
case 'm':
|
||||
howto |= RB_MUTE;
|
||||
break;
|
||||
case 'g':
|
||||
howto |= RB_GDB;
|
||||
break;
|
||||
case 'h':
|
||||
howto |= RB_SERIAL;
|
||||
break;
|
||||
case 'p':
|
||||
howto |= RB_PAUSE;
|
||||
break;
|
||||
case 'r':
|
||||
howto |= RB_DFLTROOT;
|
||||
break;
|
||||
case 's':
|
||||
howto |= RB_SINGLE;
|
||||
break;
|
||||
case 'v':
|
||||
howto |= RB_VERBOSE;
|
||||
break;
|
||||
default:
|
||||
active = 0;
|
||||
break;
|
||||
}
|
||||
cp++;
|
||||
}
|
||||
}
|
||||
/* get equivalents from the environment */
|
||||
for (i = 0; howto_names[i].ev != NULL; i++)
|
||||
if (getenv(howto_names[i].ev) != NULL)
|
||||
howto |= howto_names[i].mask;
|
||||
if (!strcmp(getenv("console"), "comconsole"))
|
||||
howto |= RB_SERIAL;
|
||||
if (!strcmp(getenv("console"), "nullconsole"))
|
||||
howto |= RB_MUTE;
|
||||
return(howto);
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy the environment into the load area starting at (addr).
|
||||
* Each variable is formatted as <name>=<value>, with a single nul
|
||||
* separating each variable, and a double nul terminating the environment.
|
||||
*/
|
||||
vm_offset_t
|
||||
md_copyenv(vm_offset_t addr)
|
||||
{
|
||||
struct env_var *ep;
|
||||
|
||||
/* traverse the environment */
|
||||
for (ep = environ; ep != NULL; ep = ep->ev_next) {
|
||||
archsw.arch_copyin(ep->ev_name, addr, strlen(ep->ev_name));
|
||||
addr += strlen(ep->ev_name);
|
||||
archsw.arch_copyin("=", addr, 1);
|
||||
addr++;
|
||||
if (ep->ev_value != NULL) {
|
||||
archsw.arch_copyin(ep->ev_value, addr, strlen(ep->ev_value));
|
||||
addr += strlen(ep->ev_value);
|
||||
}
|
||||
archsw.arch_copyin("", addr, 1);
|
||||
addr++;
|
||||
}
|
||||
archsw.arch_copyin("", addr, 1);
|
||||
addr++;
|
||||
return(addr);
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy module-related data into the load area, where it can be
|
||||
* used as a directory for loaded modules.
|
||||
*
|
||||
* Module data is presented in a self-describing format. Each datum
|
||||
* is preceded by a 32-bit identifier and a 32-bit size field.
|
||||
*
|
||||
* Currently, the following data are saved:
|
||||
*
|
||||
* MOD_NAME (variable) module name (string)
|
||||
* MOD_TYPE (variable) module type (string)
|
||||
* MOD_ARGS (variable) module parameters (string)
|
||||
* MOD_ADDR sizeof(vm_offset_t) module load address
|
||||
* MOD_SIZE sizeof(size_t) module size
|
||||
* MOD_METADATA (variable) type-specific metadata
|
||||
*/
|
||||
|
||||
static int align;
|
||||
|
||||
#define COPY32(v, a, c) { \
|
||||
u_int32_t x = htobe32(v); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&x, a, sizeof(x)); \
|
||||
a += sizeof(x); \
|
||||
}
|
||||
|
||||
#define MOD_STR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(strlen(s) + 1, a, c) \
|
||||
if (c) \
|
||||
archsw.arch_copyin(s, a, strlen(s) + 1);\
|
||||
a += roundup(strlen(s) + 1, align); \
|
||||
}
|
||||
|
||||
#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
|
||||
#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
|
||||
#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
|
||||
|
||||
#define MOD_VAR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(sizeof(s), a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&s, a, sizeof(s)); \
|
||||
a += roundup(sizeof(s), align); \
|
||||
}
|
||||
|
||||
#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
|
||||
#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
|
||||
|
||||
#define MOD_METADATA(a, mm, c) { \
|
||||
COPY32(MODINFO_METADATA | mm->md_type, a, c);\
|
||||
COPY32(mm->md_size, a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(mm->md_data, a, mm->md_size);\
|
||||
a += roundup(mm->md_size, align); \
|
||||
}
|
||||
|
||||
#define MOD_END(a, c) { \
|
||||
COPY32(MODINFO_END, a, c); \
|
||||
COPY32(0, a, c); \
|
||||
}
|
||||
|
||||
vm_offset_t
|
||||
md_copymodules(vm_offset_t addr, int kern64)
|
||||
{
|
||||
struct preloaded_file *fp;
|
||||
struct file_metadata *md;
|
||||
uint64_t scratch64;
|
||||
int c;
|
||||
|
||||
c = addr != 0;
|
||||
/* start with the first module on the list, should be the kernel */
|
||||
for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
|
||||
|
||||
MOD_NAME(addr, fp->f_name, c); /* this field must come first */
|
||||
MOD_TYPE(addr, fp->f_type, c);
|
||||
if (fp->f_args)
|
||||
MOD_ARGS(addr, fp->f_args, c);
|
||||
if (kern64) {
|
||||
scratch64 = fp->f_addr;
|
||||
MOD_ADDR(addr, scratch64, c);
|
||||
scratch64 = fp->f_size;
|
||||
MOD_SIZE(addr, scratch64, c);
|
||||
} else {
|
||||
MOD_ADDR(addr, fp->f_addr, c);
|
||||
MOD_SIZE(addr, fp->f_size, c);
|
||||
}
|
||||
for (md = fp->f_metadata; md != NULL; md = md->md_next) {
|
||||
if (!(md->md_type & MODINFOMD_NOCOPY)) {
|
||||
MOD_METADATA(addr, md, c);
|
||||
}
|
||||
}
|
||||
}
|
||||
MOD_END(addr, c);
|
||||
return(addr);
|
||||
}
|
||||
|
||||
/*
|
||||
* Load the information expected by a powerpc kernel.
|
||||
*
|
||||
* - The 'boothowto' argument is constructed
|
||||
* - The 'bootdev' argument is constructed
|
||||
* - The kernel environment is copied into kernel space.
|
||||
* - Module metadata are formatted and placed in kernel space.
|
||||
*/
|
||||
int
|
||||
md_load_dual(char *args, vm_offset_t *modulep, vm_offset_t *dtb, int kern64)
|
||||
{
|
||||
struct preloaded_file *kfp;
|
||||
struct preloaded_file *xp;
|
||||
struct file_metadata *md;
|
||||
vm_offset_t kernend;
|
||||
vm_offset_t addr;
|
||||
vm_offset_t envp;
|
||||
vm_offset_t fdtp;
|
||||
vm_offset_t size;
|
||||
uint64_t scratch64;
|
||||
uint32_t scratch32;
|
||||
char *rootdevname;
|
||||
int howto;
|
||||
|
||||
align = kern64 ? 8 : 4;
|
||||
howto = htobe32(md_getboothowto(args));
|
||||
|
||||
/*
|
||||
* Allow the environment variable 'rootdev' to override the supplied device
|
||||
* This should perhaps go to MI code and/or have $rootdev tested/set by
|
||||
* MI code before launching the kernel.
|
||||
*/
|
||||
rootdevname = getenv("rootdev");
|
||||
if (rootdevname == NULL)
|
||||
rootdevname = getenv("currdev");
|
||||
/* Try reading the /etc/fstab file to select the root device */
|
||||
getrootmount(rootdevname);
|
||||
|
||||
/* find the last module in the chain */
|
||||
addr = 0;
|
||||
for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
|
||||
if (addr < (xp->f_addr + xp->f_size))
|
||||
addr = xp->f_addr + xp->f_size;
|
||||
}
|
||||
/* pad to a page boundary */
|
||||
addr = roundup(addr, PAGE_SIZE);
|
||||
|
||||
/* copy our environment */
|
||||
envp = addr;
|
||||
addr = md_copyenv(addr);
|
||||
|
||||
/* pad to a page boundary */
|
||||
addr = roundup(addr, PAGE_SIZE);
|
||||
|
||||
/* Copy out FDT */
|
||||
size = fdt_copy(addr);
|
||||
*dtb = fdtp = addr;
|
||||
addr = roundup(addr + size, PAGE_SIZE);
|
||||
|
||||
kernend = 0;
|
||||
kfp = file_findfile(NULL, kern64 ? "elf64 kernel" : "elf32 kernel");
|
||||
if (kfp == NULL)
|
||||
kfp = file_findfile(NULL, "elf kernel");
|
||||
if (kfp == NULL)
|
||||
panic("can't find kernel file");
|
||||
file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);
|
||||
if (kern64) {
|
||||
scratch64 = htobe64(envp);
|
||||
file_addmetadata(kfp, MODINFOMD_ENVP, sizeof scratch64, &scratch64);
|
||||
scratch64 = htobe64(fdtp);
|
||||
file_addmetadata(kfp, MODINFOMD_DTBP, sizeof scratch64, &scratch64);
|
||||
scratch64 = htobe64(kernend);
|
||||
file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof scratch64, &scratch64);
|
||||
} else {
|
||||
scratch32 = htobe32(envp);
|
||||
file_addmetadata(kfp, MODINFOMD_ENVP, sizeof scratch32, &scratch32);
|
||||
scratch32 = htobe32(fdtp);
|
||||
file_addmetadata(kfp, MODINFOMD_DTBP, sizeof scratch32, &scratch32);
|
||||
scratch32 = htobe32(kernend);
|
||||
file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof scratch32, &scratch32);
|
||||
}
|
||||
|
||||
*modulep = addr;
|
||||
size = md_copymodules(0, kern64);
|
||||
kernend = roundup(addr + size, PAGE_SIZE);
|
||||
|
||||
md = file_findmetadata(kfp, MODINFOMD_KERNEND);
|
||||
if (kern64) {
|
||||
scratch64 = htobe64(kernend);
|
||||
bcopy(&scratch64, md->md_data, sizeof scratch64);
|
||||
} else {
|
||||
bcopy(&kernend, md->md_data, sizeof kernend);
|
||||
}
|
||||
|
||||
(void)md_copymodules(addr, kern64);
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
int
|
||||
md_load(char *args, vm_offset_t *modulep, vm_offset_t *dtb)
|
||||
{
|
||||
return (md_load_dual(args, modulep, dtb, 0));
|
||||
}
|
||||
|
||||
int
|
||||
md_load64(char *args, vm_offset_t *modulep, vm_offset_t *dtb)
|
||||
{
|
||||
return (md_load_dual(args, modulep, dtb, 1));
|
||||
}
|
||||
|
|
@ -17,7 +17,7 @@ NEWVERSWHAT= "Open Firmware loader" ${MACHINE_ARCH}
|
|||
INSTALLFLAGS= -b
|
||||
|
||||
# Architecture-specific loader code
|
||||
SRCS= conf.c metadata.c vers.c start.c
|
||||
SRCS= conf.c vers.c start.c
|
||||
SRCS+= ucmpdi2.c
|
||||
|
||||
.include "${BOOTSRC}/fdt.mk"
|
||||
|
|
|
@ -21,7 +21,7 @@ INSTALLFLAGS= -b
|
|||
|
||||
# Architecture-specific loader code
|
||||
.PATH: ${BOOTSRC}/sparc64/loader
|
||||
SRCS= locore.S main.c metadata.c vers.c
|
||||
SRCS= locore.S main.c vers.c
|
||||
|
||||
.if ${LOADER_DEBUG} == "yes"
|
||||
CFLAGS+= -DLOADER_DEBUG
|
||||
|
|
|
@ -1,345 +0,0 @@
|
|||
/*-
|
||||
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* from: FreeBSD: src/sys/boot/i386/libi386/bootinfo.c,v 1.29
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <stand.h>
|
||||
#include <sys/param.h>
|
||||
#include <sys/reboot.h>
|
||||
#include <sys/linker.h>
|
||||
#include <sys/boot.h>
|
||||
|
||||
#include <machine/metadata.h>
|
||||
|
||||
#include "bootstrap.h"
|
||||
#include "libofw.h"
|
||||
|
||||
extern struct tlb_entry *dtlb_store;
|
||||
extern struct tlb_entry *itlb_store;
|
||||
|
||||
extern int dtlb_slot;
|
||||
extern int itlb_slot;
|
||||
|
||||
static int md_bootserial(void);
|
||||
|
||||
int
|
||||
md_getboothowto(char *kargs)
|
||||
{
|
||||
char *cp;
|
||||
int howto;
|
||||
int active;
|
||||
int i;
|
||||
|
||||
/* Parse kargs */
|
||||
howto = 0;
|
||||
if (kargs != NULL) {
|
||||
cp = kargs;
|
||||
active = 0;
|
||||
while (*cp != 0) {
|
||||
if (!active && (*cp == '-')) {
|
||||
active = 1;
|
||||
} else if (active)
|
||||
switch (*cp) {
|
||||
case 'a':
|
||||
howto |= RB_ASKNAME;
|
||||
break;
|
||||
case 'C':
|
||||
howto |= RB_CDROM;
|
||||
break;
|
||||
case 'd':
|
||||
howto |= RB_KDB;
|
||||
break;
|
||||
case 'D':
|
||||
howto |= RB_MULTIPLE;
|
||||
break;
|
||||
case 'm':
|
||||
howto |= RB_MUTE;
|
||||
break;
|
||||
case 'g':
|
||||
howto |= RB_GDB;
|
||||
break;
|
||||
case 'h':
|
||||
howto |= RB_SERIAL;
|
||||
break;
|
||||
case 'p':
|
||||
howto |= RB_PAUSE;
|
||||
break;
|
||||
case 'r':
|
||||
howto |= RB_DFLTROOT;
|
||||
break;
|
||||
case 's':
|
||||
howto |= RB_SINGLE;
|
||||
break;
|
||||
case 'v':
|
||||
howto |= RB_VERBOSE;
|
||||
break;
|
||||
default:
|
||||
active = 0;
|
||||
break;
|
||||
}
|
||||
cp++;
|
||||
}
|
||||
}
|
||||
/* get equivalents from the environment */
|
||||
for (i = 0; howto_names[i].ev != NULL; i++)
|
||||
if (getenv(howto_names[i].ev) != NULL)
|
||||
howto |= howto_names[i].mask;
|
||||
if (md_bootserial() != -1)
|
||||
howto |= RB_SERIAL;
|
||||
return(howto);
|
||||
}
|
||||
|
||||
static int
|
||||
md_bootserial(void)
|
||||
{
|
||||
char buf[64];
|
||||
ihandle_t inst;
|
||||
phandle_t input;
|
||||
phandle_t node;
|
||||
phandle_t output;
|
||||
|
||||
if ((node = OF_finddevice("/options")) == -1)
|
||||
return(-1);
|
||||
if (OF_getprop(node, "input-device", buf, sizeof(buf)) == -1)
|
||||
return(-1);
|
||||
input = OF_finddevice(buf);
|
||||
if (OF_getprop(node, "output-device", buf, sizeof(buf)) == -1)
|
||||
return(-1);
|
||||
output = OF_finddevice(buf);
|
||||
if (input == -1 || output == -1 || OF_getproplen(input, "keyboard") >= 0) {
|
||||
if ((node = OF_finddevice("/chosen")) == -1)
|
||||
return(-1);
|
||||
if (OF_getprop(node, "stdin", &inst, sizeof(inst)) == -1)
|
||||
return(-1);
|
||||
if ((input = OF_instance_to_package(inst)) == -1)
|
||||
return(-1);
|
||||
if (OF_getprop(node, "stdout", &inst, sizeof(inst)) == -1)
|
||||
return(-1);
|
||||
if ((output = OF_instance_to_package(inst)) == -1)
|
||||
return(-1);
|
||||
}
|
||||
if (input != output)
|
||||
return(-1);
|
||||
if (OF_getprop(input, "device_type", buf, sizeof(buf)) == -1)
|
||||
return(-1);
|
||||
if (strcmp(buf, "serial") != 0)
|
||||
return(-1);
|
||||
return(0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy the environment into the load area starting at (addr).
|
||||
* Each variable is formatted as <name>=<value>, with a single nul
|
||||
* separating each variable, and a double nul terminating the environment.
|
||||
*/
|
||||
vm_offset_t
|
||||
md_copyenv(vm_offset_t addr)
|
||||
{
|
||||
struct env_var *ep;
|
||||
|
||||
/* traverse the environment */
|
||||
for (ep = environ; ep != NULL; ep = ep->ev_next) {
|
||||
archsw.arch_copyin(ep->ev_name, addr, strlen(ep->ev_name));
|
||||
addr += strlen(ep->ev_name);
|
||||
archsw.arch_copyin("=", addr, 1);
|
||||
addr++;
|
||||
if (ep->ev_value != NULL) {
|
||||
archsw.arch_copyin(ep->ev_value, addr, strlen(ep->ev_value));
|
||||
addr += strlen(ep->ev_value);
|
||||
}
|
||||
archsw.arch_copyin("", addr, 1);
|
||||
addr++;
|
||||
}
|
||||
archsw.arch_copyin("", addr, 1);
|
||||
addr++;
|
||||
return(addr);
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy module-related data into the load area, where it can be
|
||||
* used as a directory for loaded modules.
|
||||
*
|
||||
* Module data is presented in a self-describing format. Each datum
|
||||
* is preceded by a 32-bit identifier and a 32-bit size field.
|
||||
*
|
||||
* Currently, the following data are saved:
|
||||
*
|
||||
* MOD_NAME (variable) module name (string)
|
||||
* MOD_TYPE (variable) module type (string)
|
||||
* MOD_ARGS (variable) module parameters (string)
|
||||
* MOD_ADDR sizeof(vm_offset_t) module load address
|
||||
* MOD_SIZE sizeof(size_t) module size
|
||||
* MOD_METADATA (variable) type-specific metadata
|
||||
*/
|
||||
#define COPY32(v, a, c) { \
|
||||
u_int32_t x = (v); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&x, a, sizeof(x)); \
|
||||
a += sizeof(x); \
|
||||
}
|
||||
|
||||
#define MOD_STR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(strlen(s) + 1, a, c) \
|
||||
if (c) \
|
||||
archsw.arch_copyin(s, a, strlen(s) + 1);\
|
||||
a += roundup(strlen(s) + 1, sizeof(u_long));\
|
||||
}
|
||||
|
||||
#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
|
||||
#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
|
||||
#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
|
||||
|
||||
#define MOD_VAR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(sizeof(s), a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&s, a, sizeof(s)); \
|
||||
a += roundup(sizeof(s), sizeof(u_long)); \
|
||||
}
|
||||
|
||||
#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
|
||||
#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
|
||||
|
||||
#define MOD_METADATA(a, mm, c) { \
|
||||
COPY32(MODINFO_METADATA | mm->md_type, a, c);\
|
||||
COPY32(mm->md_size, a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(mm->md_data, a, mm->md_size);\
|
||||
a += roundup(mm->md_size, sizeof(u_long)); \
|
||||
}
|
||||
|
||||
#define MOD_END(a, c) { \
|
||||
COPY32(MODINFO_END, a, c); \
|
||||
COPY32(0, a, c); \
|
||||
}
|
||||
|
||||
vm_offset_t
|
||||
md_copymodules(vm_offset_t addr)
|
||||
{
|
||||
struct preloaded_file *fp;
|
||||
struct file_metadata *md;
|
||||
int c;
|
||||
|
||||
c = addr != 0;
|
||||
/* start with the first module on the list, should be the kernel */
|
||||
for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
|
||||
|
||||
MOD_NAME(addr, fp->f_name, c); /* this field must come first */
|
||||
MOD_TYPE(addr, fp->f_type, c);
|
||||
if (fp->f_args)
|
||||
MOD_ARGS(addr, fp->f_args, c);
|
||||
MOD_ADDR(addr, fp->f_addr, c);
|
||||
MOD_SIZE(addr, fp->f_size, c);
|
||||
for (md = fp->f_metadata; md != NULL; md = md->md_next) {
|
||||
if (!(md->md_type & MODINFOMD_NOCOPY)) {
|
||||
MOD_METADATA(addr, md, c);
|
||||
}
|
||||
}
|
||||
}
|
||||
MOD_END(addr, c);
|
||||
return(addr);
|
||||
}
|
||||
|
||||
/*
|
||||
* Load the information expected by a sparc64 kernel.
|
||||
*
|
||||
* - The 'boothowto' argument is constructed
|
||||
* - The 'bootdev' argument is constructed
|
||||
* - The kernel environment is copied into kernel space.
|
||||
* - Module metadata are formatted and placed in kernel space.
|
||||
*/
|
||||
vm_offset_t
|
||||
md_load(char *args, vm_offset_t *modulep, vm_offset_t *dtbp)
|
||||
{
|
||||
struct preloaded_file *kfp;
|
||||
struct preloaded_file *xp;
|
||||
struct file_metadata *md;
|
||||
vm_offset_t kernend;
|
||||
vm_offset_t addr;
|
||||
vm_offset_t envp;
|
||||
vm_offset_t size;
|
||||
char *rootdevname;
|
||||
int howto;
|
||||
|
||||
howto = md_getboothowto(args);
|
||||
*dtbp = 0;
|
||||
|
||||
/*
|
||||
* Allow the environment variable 'rootdev' to override the supplied device
|
||||
* This should perhaps go to MI code and/or have $rootdev tested/set by
|
||||
* MI code before launching the kernel.
|
||||
*/
|
||||
if ((rootdevname = getenv("rootdev")) == NULL)
|
||||
rootdevname = getenv("currdev");
|
||||
getrootmount(rootdevname);
|
||||
|
||||
/* find the last module in the chain */
|
||||
addr = 0;
|
||||
for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
|
||||
if (addr < (xp->f_addr + xp->f_size))
|
||||
addr = xp->f_addr + xp->f_size;
|
||||
}
|
||||
/* pad to a page boundary */
|
||||
addr = roundup(addr, PAGE_SIZE);
|
||||
|
||||
/* copy our environment */
|
||||
envp = addr;
|
||||
addr = md_copyenv(addr);
|
||||
|
||||
/* pad to a page boundary */
|
||||
addr = roundup(addr, PAGE_SIZE);
|
||||
|
||||
kernend = 0;
|
||||
kfp = file_findfile(NULL, "elf64 kernel");
|
||||
if (kfp == NULL)
|
||||
kfp = file_findfile(NULL, "elf kernel");
|
||||
if (kfp == NULL)
|
||||
panic("can't find kernel file");
|
||||
file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);
|
||||
file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
|
||||
file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend);
|
||||
file_addmetadata(kfp, MODINFOMD_DTLB_SLOTS, sizeof dtlb_slot, &dtlb_slot);
|
||||
file_addmetadata(kfp, MODINFOMD_ITLB_SLOTS, sizeof itlb_slot, &itlb_slot);
|
||||
file_addmetadata(kfp, MODINFOMD_DTLB,
|
||||
dtlb_slot * sizeof(*dtlb_store), dtlb_store);
|
||||
file_addmetadata(kfp, MODINFOMD_ITLB,
|
||||
itlb_slot * sizeof(*itlb_store), itlb_store);
|
||||
|
||||
*modulep = addr;
|
||||
size = md_copymodules(0);
|
||||
kernend = roundup(addr + size, PAGE_SIZE);
|
||||
|
||||
md = file_findmetadata(kfp, MODINFOMD_KERNEND);
|
||||
bcopy(&kernend, md->md_data, sizeof kernend);
|
||||
|
||||
(void)md_copymodules(addr);
|
||||
|
||||
return(0);
|
||||
}
|
|
@ -1,6 +1,6 @@
|
|||
# $FreeBSD$
|
||||
|
||||
SRCS+= main.c metadata.c
|
||||
SRCS+= main.c
|
||||
|
||||
.PATH: ${UBOOTSRC}/common
|
||||
|
||||
|
@ -10,6 +10,9 @@ CFLAGS+= -I${UBOOTSRC}/common
|
|||
LIBUBOOT= ${BOOTOBJ}/uboot/lib/libuboot.a
|
||||
CFLAGS+= -I${UBOOTSRC}/lib
|
||||
CFLAGS+= -I${BOOTOBJ}/uboot/lib
|
||||
.if ${MACHINE_CPUARCH} == "arm"
|
||||
SRCS+= metadata.c
|
||||
.endif
|
||||
|
||||
.include "${BOOTSRC}/fdt.mk"
|
||||
|
||||
|
|
|
@ -1,366 +0,0 @@
|
|||
/*-
|
||||
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
|
||||
* Copyright (C) 2006 Semihalf, Piotr Kruszynski <ppk@semihalf.com>
|
||||
* Copyright (C) 2007-2008 Semihalf, Rafal Jaworowski <raj@semihalf.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <stand.h>
|
||||
#include <sys/param.h>
|
||||
#include <sys/reboot.h>
|
||||
#include <sys/linker.h>
|
||||
#include <sys/boot.h>
|
||||
|
||||
#include <machine/elf.h>
|
||||
#include <machine/metadata.h>
|
||||
|
||||
#include "api_public.h"
|
||||
#include "bootstrap.h"
|
||||
#include "glue.h"
|
||||
|
||||
#if defined(LOADER_FDT_SUPPORT)
|
||||
#include <fdt_platform.h>
|
||||
#endif
|
||||
|
||||
static int
|
||||
md_getboothowto(char *kargs)
|
||||
{
|
||||
char *cp;
|
||||
char *p;
|
||||
int howto;
|
||||
int active;
|
||||
int i;
|
||||
|
||||
/* Parse kargs */
|
||||
howto = 0;
|
||||
if (kargs != NULL) {
|
||||
cp = kargs;
|
||||
active = 0;
|
||||
while (*cp != 0) {
|
||||
if (!active && (*cp == '-'))
|
||||
active = 1;
|
||||
else if (active)
|
||||
switch (*cp) {
|
||||
case 'a':
|
||||
howto |= RB_ASKNAME;
|
||||
break;
|
||||
case 'C':
|
||||
howto |= RB_CDROM;
|
||||
break;
|
||||
case 'd':
|
||||
howto |= RB_KDB;
|
||||
break;
|
||||
case 'D':
|
||||
howto |= RB_MULTIPLE;
|
||||
break;
|
||||
case 'm':
|
||||
howto |= RB_MUTE;
|
||||
break;
|
||||
case 'g':
|
||||
howto |= RB_GDB;
|
||||
break;
|
||||
case 'h':
|
||||
howto |= RB_SERIAL;
|
||||
break;
|
||||
case 'p':
|
||||
howto |= RB_PAUSE;
|
||||
break;
|
||||
case 'r':
|
||||
howto |= RB_DFLTROOT;
|
||||
break;
|
||||
case 's':
|
||||
howto |= RB_SINGLE;
|
||||
break;
|
||||
case 'v':
|
||||
howto |= RB_VERBOSE;
|
||||
break;
|
||||
default:
|
||||
active = 0;
|
||||
break;
|
||||
}
|
||||
cp++;
|
||||
}
|
||||
}
|
||||
|
||||
/* get equivalents from the environment */
|
||||
for (i = 0; howto_names[i].ev != NULL; i++) {
|
||||
if (getenv(howto_names[i].ev) != NULL)
|
||||
howto |= howto_names[i].mask;
|
||||
}
|
||||
if ((p = getenv("console"))) {
|
||||
if (!strcmp(p, "comconsole"))
|
||||
howto |= RB_SERIAL;
|
||||
if (!strcmp(p, "nullconsole"))
|
||||
howto |= RB_MUTE;
|
||||
}
|
||||
|
||||
return(howto);
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy the environment into the load area starting at (addr).
|
||||
* Each variable is formatted as <name>=<value>, with a single nul
|
||||
* separating each variable, and a double nul terminating the environment.
|
||||
*/
|
||||
static vm_offset_t
|
||||
md_copyenv(vm_offset_t addr)
|
||||
{
|
||||
struct env_var *ep;
|
||||
|
||||
/* traverse the environment */
|
||||
for (ep = environ; ep != NULL; ep = ep->ev_next) {
|
||||
archsw.arch_copyin(ep->ev_name, addr, strlen(ep->ev_name));
|
||||
addr += strlen(ep->ev_name);
|
||||
archsw.arch_copyin("=", addr, 1);
|
||||
addr++;
|
||||
if (ep->ev_value != NULL) {
|
||||
archsw.arch_copyin(ep->ev_value, addr,
|
||||
strlen(ep->ev_value));
|
||||
addr += strlen(ep->ev_value);
|
||||
}
|
||||
archsw.arch_copyin("", addr, 1);
|
||||
addr++;
|
||||
}
|
||||
archsw.arch_copyin("", addr, 1);
|
||||
addr++;
|
||||
return(addr);
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy module-related data into the load area, where it can be
|
||||
* used as a directory for loaded modules.
|
||||
*
|
||||
* Module data is presented in a self-describing format. Each datum
|
||||
* is preceded by a 32-bit identifier and a 32-bit size field.
|
||||
*
|
||||
* Currently, the following data are saved:
|
||||
*
|
||||
* MOD_NAME (variable) module name (string)
|
||||
* MOD_TYPE (variable) module type (string)
|
||||
* MOD_ARGS (variable) module parameters (string)
|
||||
* MOD_ADDR sizeof(vm_offset_t) module load address
|
||||
* MOD_SIZE sizeof(size_t) module size
|
||||
* MOD_METADATA (variable) type-specific metadata
|
||||
*/
|
||||
#define COPY32(v, a, c) { \
|
||||
u_int32_t x = (v); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&x, a, sizeof(x)); \
|
||||
a += sizeof(x); \
|
||||
}
|
||||
|
||||
#define MOD_STR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(strlen(s) + 1, a, c) \
|
||||
if (c) \
|
||||
archsw.arch_copyin(s, a, strlen(s) + 1);\
|
||||
a += roundup(strlen(s) + 1, sizeof(u_long));\
|
||||
}
|
||||
|
||||
#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
|
||||
#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
|
||||
#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
|
||||
|
||||
#define MOD_VAR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(sizeof(s), a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&s, a, sizeof(s)); \
|
||||
a += roundup(sizeof(s), sizeof(u_long)); \
|
||||
}
|
||||
|
||||
#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
|
||||
#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
|
||||
|
||||
#define MOD_METADATA(a, mm, c) { \
|
||||
COPY32(MODINFO_METADATA | mm->md_type, a, c);\
|
||||
COPY32(mm->md_size, a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(mm->md_data, a, mm->md_size);\
|
||||
a += roundup(mm->md_size, sizeof(u_long)); \
|
||||
}
|
||||
|
||||
#define MOD_END(a, c) { \
|
||||
COPY32(MODINFO_END, a, c); \
|
||||
COPY32(0, a, c); \
|
||||
}
|
||||
|
||||
static vm_offset_t
|
||||
md_copymodules(vm_offset_t addr)
|
||||
{
|
||||
struct preloaded_file *fp;
|
||||
struct file_metadata *md;
|
||||
int c;
|
||||
vm_offset_t a;
|
||||
|
||||
c = addr != 0;
|
||||
/* start with the first module on the list, should be the kernel */
|
||||
for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
|
||||
|
||||
MOD_NAME(addr, fp->f_name, c); /* this field must be first */
|
||||
MOD_TYPE(addr, fp->f_type, c);
|
||||
if (fp->f_args)
|
||||
MOD_ARGS(addr, fp->f_args, c);
|
||||
a = fp->f_addr - __elfN(relocation_offset);
|
||||
MOD_ADDR(addr, a, c);
|
||||
MOD_SIZE(addr, fp->f_size, c);
|
||||
for (md = fp->f_metadata; md != NULL; md = md->md_next) {
|
||||
if (!(md->md_type & MODINFOMD_NOCOPY))
|
||||
MOD_METADATA(addr, md, c);
|
||||
}
|
||||
}
|
||||
MOD_END(addr, c);
|
||||
return(addr);
|
||||
}
|
||||
|
||||
/*
|
||||
* Load the information expected by a kernel.
|
||||
*
|
||||
* - The 'boothowto' argument is constructed
|
||||
* - The 'bootdev' argument is constructed
|
||||
* - The kernel environment is copied into kernel space.
|
||||
* - Module metadata are formatted and placed in kernel space.
|
||||
*/
|
||||
int
|
||||
md_load(char *args, vm_offset_t *modulep)
|
||||
{
|
||||
struct preloaded_file *kfp, *bfp;
|
||||
struct preloaded_file *xp;
|
||||
struct file_metadata *md;
|
||||
struct bootinfo *bip;
|
||||
vm_offset_t kernend;
|
||||
vm_offset_t addr;
|
||||
vm_offset_t envp;
|
||||
vm_offset_t size;
|
||||
vm_offset_t vaddr;
|
||||
#if defined(LOADER_FDT_SUPPORT)
|
||||
vm_offset_t dtbp;
|
||||
int dtb_size;
|
||||
#endif
|
||||
char *rootdevname;
|
||||
int howto;
|
||||
int i;
|
||||
|
||||
/*
|
||||
* These metadata addreses must be converted for kernel after
|
||||
* relocation.
|
||||
*/
|
||||
uint32_t mdt[] = {
|
||||
MODINFOMD_SSYM, MODINFOMD_ESYM, MODINFOMD_KERNEND,
|
||||
MODINFOMD_ENVP,
|
||||
#if defined(LOADER_FDT_SUPPORT)
|
||||
MODINFOMD_DTBP
|
||||
#endif
|
||||
};
|
||||
|
||||
howto = md_getboothowto(args);
|
||||
|
||||
/*
|
||||
* Allow the environment variable 'rootdev' to override the supplied
|
||||
* device. This should perhaps go to MI code and/or have $rootdev
|
||||
* tested/set by MI code before launching the kernel.
|
||||
*/
|
||||
rootdevname = getenv("rootdev");
|
||||
if (rootdevname == NULL)
|
||||
rootdevname = getenv("currdev");
|
||||
/* Try reading the /etc/fstab file to select the root device */
|
||||
getrootmount(rootdevname);
|
||||
|
||||
/* Find the last module in the chain */
|
||||
addr = 0;
|
||||
for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
|
||||
if (addr < (xp->f_addr + xp->f_size))
|
||||
addr = xp->f_addr + xp->f_size;
|
||||
}
|
||||
/* Pad to a page boundary */
|
||||
addr = roundup(addr, PAGE_SIZE);
|
||||
|
||||
/* Copy our environment */
|
||||
envp = addr;
|
||||
addr = md_copyenv(addr);
|
||||
|
||||
/* Pad to a page boundary */
|
||||
addr = roundup(addr, PAGE_SIZE);
|
||||
|
||||
#if defined(LOADER_FDT_SUPPORT)
|
||||
/* Handle device tree blob */
|
||||
dtbp = addr;
|
||||
dtb_size = fdt_copy(addr);
|
||||
|
||||
/* Pad to a page boundary */
|
||||
if (dtb_size)
|
||||
addr += roundup(dtb_size, PAGE_SIZE);
|
||||
#endif
|
||||
|
||||
kernend = 0;
|
||||
kfp = file_findfile(NULL, "elf32 kernel");
|
||||
if (kfp == NULL)
|
||||
kfp = file_findfile(NULL, "elf kernel");
|
||||
if (kfp == NULL)
|
||||
panic("can't find kernel file");
|
||||
file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);
|
||||
file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
|
||||
|
||||
#if defined(LOADER_FDT_SUPPORT)
|
||||
if (dtb_size)
|
||||
file_addmetadata(kfp, MODINFOMD_DTBP, sizeof dtbp, &dtbp);
|
||||
else
|
||||
pager_output("WARNING! Trying to fire up the kernel, but no "
|
||||
"device tree blob found!\n");
|
||||
#endif
|
||||
|
||||
file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend);
|
||||
|
||||
/* Figure out the size and location of the metadata */
|
||||
*modulep = addr;
|
||||
size = md_copymodules(0);
|
||||
kernend = roundup(addr + size, PAGE_SIZE);
|
||||
|
||||
/* Provide MODINFOMD_KERNEND */
|
||||
md = file_findmetadata(kfp, MODINFOMD_KERNEND);
|
||||
bcopy(&kernend, md->md_data, sizeof kernend);
|
||||
|
||||
/* Convert addresses to the final VA */
|
||||
*modulep -= __elfN(relocation_offset);
|
||||
|
||||
/* Do relocation fixup on metadata of each module. */
|
||||
for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
|
||||
for (i = 0; i < nitems(mdt); i++) {
|
||||
md = file_findmetadata(xp, mdt[i]);
|
||||
if (md) {
|
||||
bcopy(md->md_data, &vaddr, sizeof vaddr);
|
||||
vaddr -= __elfN(relocation_offset);
|
||||
bcopy(&vaddr, md->md_data, sizeof vaddr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Only now copy actual modules and metadata */
|
||||
(void)md_copymodules(addr);
|
||||
|
||||
return (0);
|
||||
}
|
|
@ -44,7 +44,7 @@ __FBSDID("$FreeBSD$");
|
|||
#include "bootstrap.h"
|
||||
#include "libuboot.h"
|
||||
|
||||
extern vm_offset_t md_load(char *, vm_offset_t *);
|
||||
extern vm_offset_t md_load(char *, vm_offset_t *, vm_offset_t *);
|
||||
|
||||
int
|
||||
__elfN(uboot_load)(char *filename, u_int64_t dest,
|
||||
|
@ -81,7 +81,7 @@ __elfN(uboot_exec)(struct preloaded_file *fp)
|
|||
|
||||
e = (Elf_Ehdr *)&fmp->md_data;
|
||||
|
||||
if ((error = md_load(fp->f_args, &mdp)) != 0)
|
||||
if ((error = md_load(fp->f_args, &mdp, NULL)) != 0)
|
||||
return (error);
|
||||
|
||||
entry = (void *)e->e_entry;
|
||||
|
|
Loading…
Reference in a new issue